I find a model of kn95s that fits well with a minimum of fuss. I’m often surprised by smells in a room when I take it off. In comparison, a hospital supplied n9

I find a model of kn95s that fits well with a minimum of fuss. I’m often surprised by smells in a room when I take it off. In comparison, a hospital supplied n95 my wife had was terrible to get to fit for my face. If you try one and it’s difficult to get to fit, try a different model. They’re not all the same.